公开(公告)号：US20220238058A1

公开(公告)日：2022-07-28

申请号：US17717977

申请日：2022-04-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Si Beak PYO ,  Seung Kyu LEE ,  Choon Yul OH ,  Jun Ho HWANG

IPC: G09G3/20 ,  G09G3/3233

Abstract: A display device includes: a target pixel; observation target pixels located adjacent to the target pixel; and a grayscale corrector for converting an input grayscale value corresponding to the target pixel with reference to observation target grayscale values corresponding to the observation target pixels. The grayscale corrector includes: a light emitting pixel counter for providing a number of light emitting pixels by counting a number of observation target pixels that exceeds a reference value; and a grayscale converter for providing a converted grayscale value by converting the input grayscale value, based on the number of light emitting pixels.

公开(公告)号：US20210343247A1

公开(公告)日：2021-11-04

申请号：US17248903

申请日：2021-02-12

Applicant: Samsung Display Co., Ltd.

Inventor： Si Beak PYO ,  Yeong Bong KANG

IPC: G09G3/3291 ,  G09G3/3225 ,  H01L27/32

Abstract: A display device includes: a pixel unit including a target pixel and peripheral pixels in a unit area set based on the target pixel; a converter configured to adjust a voltage level of a data voltage of the target pixel, based on light emission statuses of the peripheral pixels, and to determine a voltage level of a black voltage of at least one peripheral pixel which does not emit light among the peripheral pixels, based on the light emission statuses of the peripheral pixels; and a data driver configured to apply the data voltage to the target pixel, and to apply the black voltage to the at least one peripheral pixel which does not emit light.

公开(公告)号：US20210248956A1

公开(公告)日：2021-08-12

申请号：US17248443

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Si Beak PYO ,  Seung Kyu LEE ,  Young Uk HWANG

IPC: G09G3/32

Abstract: A display device includes: a plurality of pixels to receive data voltages based on converted grayscales; and a grayscale converter to: calculate first compensation offsets based on positions of the pixels and input grayscales for the pixels; convert the first compensation offsets into second compensation offsets according to a maximum luminance weight based on an input maximum luminance; and calculate the converted grayscales by applying the second compensation offsets to the input grayscales.

公开(公告)号：US20190130827A1

公开(公告)日：2019-05-02

申请号：US16044188

申请日：2018-07-24

Applicant: Samsung Display Co., Ltd.

Inventor： Si Beak PYO ,  Jun Ho HWANG ,  Jae Woo SONG ,  Jong Kwang HWANG

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/20

Abstract: There is provided a method for setting black data of a display device and a display device employing the same. In the method for setting black data of the display device including a display unit for displaying an image corresponding to data, the method includes: applying data having a test voltage to the display unit; measuring a luminance of a test image displayed in the display unit; and when the measured luminance is a reference luminance or less, setting first black data, based on the test voltage.

公开(公告)号：US20210201758A1

公开(公告)日：2021-07-01

申请号：US17008047

申请日：2020-08-31

Applicant: Samsung Display Co., Ltd.

Inventor： Si Beak PYO ,  Hyun Jung SON

IPC: G09G3/22 ,  G09G5/10

Abstract: Provided is an optical compensation method for a display device including a pixel coupled between first power and second power sources. In the optical compensation method, the first voltage level of the second power source corresponding to a first luminance level is set while measuring the luminance of the display device, the second voltage level of the second power source corresponding to a second luminance level is set while measuring the luminance of the display device, the third voltage levels of the second power source for representative luminance levels including the first and second luminance levels are set based on the first and second voltage levels, and the fourth voltage levels of the second power source for the representative luminance levels according to temperature conditions are set based on the third voltage levels and temperature offsets according to the temperature conditions, under which the display device is driven.

公开(公告)号：US20210035503A1

公开(公告)日：2021-02-04

申请号：US17074575

申请日：2020-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Si Beak PYO ,  Choon Yul OH

IPC: G09G3/3258 ,  H01L27/32 ,  G01K3/10

Abstract: An organic light emitting display device includes a display panel, a display panel driver, and a power supply. The display panel includes pixels. Each of the pixels includes an organic light emitting diode configured to emit light in an emission period based on a first power supply voltage and a second power supply voltage. The display panel driver is configured to apply a scan signal, an emission control signal, and a data signal to the pixels. The power supply is configured to: generate the first power supply voltage, the second power supply voltage, and a third power supply voltage applied to the pixels in a non-emission period; and adjust a voltage level of the second power supply voltage and a voltage level of the third power supply voltage based on an ambient temperature and a brightness of the display panel.

公开(公告)号：US20190311682A1

公开(公告)日：2019-10-10

申请号：US16296223

申请日：2019-03-08

Applicant: Samsung Display Co., Ltd.

Inventor： Si Beak PYO ,  Sun Joon HWANG

IPC: G09G3/3291 ,  G09G3/3258 ,  G09G5/10

Abstract: A voltage value setting device including a test control unit which provides a temporary black grayscale voltage value and a temporary transistor off voltage value to a display device, and a luminance measurement unit which measures a luminance of a black grayscale that the display device displays based on the temporary black grayscale voltage value and the temporary transistor off voltage value. When the measured luminance of the black grayscale is lower than a black luminance threshold, the test control unit provides the display device with a black grayscale voltage value, set by adding a first margin value to the temporary black grayscale voltage value, and a transistor off voltage value, set by adding a second margin value to the temporary transistor off voltage value.

公开(公告)号：US20180108328A1

公开(公告)日：2018-04-19

申请号：US15785287

申请日：2017-10-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Koo LEE ,  Soo Young KIM ,  Min Tak LEE ,  Kyu Seok KIM ,  Young Nam YUN ,  Si Beak PYO

IPC: G09G5/10 ,  H04N13/04 ,  G06F3/14

CPC classification number: G09G5/10 ,  G06F3/1423 ,  G09G3/002 ,  G09G2320/0233 ,  G09G2360/16 ,  H04N13/133 ,  H04N13/344 ,  H04N13/398 ,  H04N2213/002

Abstract: A display panel including: a display unit configured to provide a first image to one of a left eyeball and a right eyeball of a user and to provide a second image having the same tone as a tone of the first image to the other one of the left eyeball and the right eyeball of the user; a brightness correcting unit configured to generate second image data corresponding to the second image by using first image data corresponding to the first image; and a data driver configured to generate a first data signal based on the first image data, to generate a second data signal based on the second image data, and to provide the first and second data signals to the display unit, and the first image and the second image are displayed with different brightnesses during at least a part of an image display period.

公开(公告)号：US20170011682A1

公开(公告)日：2017-01-12

申请号：US15159671

申请日：2016-05-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Si Beak PYO ,  Won Ju SHIN ,  Ye Ji LEE ,  Jong Dae LEE

IPC: G09G3/3225

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2320/043 ,  G09G2320/0626

Abstract: There is provided an organic light emitting display device including a display panel including pixels and a display panel driver configured to drive the display panel. The display panel driver is arranged to receive a maximum brightness signal. When a maximum brightness determined corresponding to the maximum brightness signal is lower than a first reference maximum brightness for a frame, the display panel driver is programmed to direct less than all of the pixels to emit light components during a frame period of the frame. When the maximum brightness is higher than the first reference maximum brightness and is lower than a second reference maximum brightness, the display panel driver is programmed to direct all of the pixels to emit light components during only part of the frame period. The second reference maximum brightness is higher than the first reference maximum brightness.

Abstract translation: 提供了一种包括具有像素的显示面板和构造成驱动显示面板的显示面板驱动器的有机发光显示装置。 显示面板驱动器被布置成接收最大亮度信号。 当对应于最大亮度信号确定的最大亮度低于帧的第一参考最大亮度时，显示面板驱动程序被编程为在帧的帧周期期间引导少于全部像素发光元件。 当最大亮度高于第一参考最大亮度并且低于第二参考最大亮度时，显示面板驱动程序被编程为在所述帧周期的仅部分期间引导所有像素发光。 第二个参考最大亮度高于第一个参考最大亮度。

公开(公告)号：US20250078702A1

公开(公告)日：2025-03-06

申请号：US18645829

申请日：2024-04-25

Applicant: Samsung Display Co., Ltd.

Inventor： Si Beak PYO

IPC: G09G3/00 ,  G09G3/3225

Abstract: The display device includes a display unit including pixels displaying first to third colors, a data driver that supplies a plurality of test voltages to the pixels in the display unit through data lines to display test images through the display unit, and a margin voltage setting unit that determines a dominant color based on test images displayed on the display unit and individually sets margin voltages corresponding to the first to third colors based on the dominant color.